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1
Dirt the erosion of civilizations /
Published 2007An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
2
Footprints in the soil people and ideas in soil history /
Published 2006An electronic book accessible through the World Wide Web; click to view
Electronic Conference Proceeding eBook -
3
Dig in! hands-on soil investigations.
Published 2001An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
4
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5
Frontiers in soil science research report of a workshop /
Published 2009An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
6
Dirt the erosion of civilizations /
Published 2012An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
7
Soil genesis and classification
Published 2011An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
8
Soil and rock description in engineering practice /
Published 2016An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
9
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10
Frontiers in soil science research report of a workshop /
Published 2009An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
11
Dirt the erosion of civilizations /
Published 2012An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
12
Soil genesis and classification
Published 2011An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
13
Soil and rock description in engineering practice /
Published 2016An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
14
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15
Soil science simplified /
Published 2016An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
16
Dirt the erosion of civilizations /
Published 2007An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
17
Footprints in the soil people and ideas in soil history /
Published 2006An electronic book accessible through the World Wide Web; click to view
Electronic Conference Proceeding eBook -
18
Dig in! hands-on soil investigations.
Published 2001An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
19
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20
Soil science simplified /
Published 2016An electronic book accessible through the World Wide Web; click to view
Electronic eBook